:root {
  --primary-color: #409EFF;
  --success-color: #67C23A;
  --warning-color: #E6A23C;
  --danger-color: #F56C6C;
  --text-primary: #303133;
  --text-regular: #606266;
  --text-secondary: #909399;
}

body {
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', Arial, sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
}

.el-button {
  transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.login-container {
  max-width: 400px;
  margin: 5rem auto;
  padding: 2rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}